Improvement in anti-friction carriage-axles



A. ALLOOTT. ANTIPRIGTION GARR'IAGB AXLB.

N0. 101.205. Patented Mar. 29, 1870.

bb'nesses. hwewtor.

ALONZO ALLOOTT, OF .HAVERHILL MASSACHUSETTS.

VLettere Paten-t No. 101,205, dated Marcltlil, 1870.

' IMPROVEMENT IN ANTI-PRICTIN- GARRIAGEXLES.

The Schedule referred to in these Letters Iatent and making part 'of the same.

To all whmn it anc- 1] concern:

Be it known, that 1,' ALostzo AnLcoTT, of Haverhill, in the county of Essex' and State of Massachu setts, have invented an improved Anti-Friction Axle; and I do hereby declare that .the following is a full, clear, and exact description of the-construction and operation of the' same, reference being had to the ac- `companying vdrawings and letters of reference marked thereon, making a part of this specification, in which- Figure 1 is a longitudinal vertical central section of my invention, and

Figure 2, a transverse vertical 'section of the same.

This invention has for its object theldiminntion of friction in ordinary axle-boxes, and consists i'n constructing the hubbox larger than the journal of the axle,aud filling the space between the journal and the box with longitudinal metallic rollers, of which two sizes are'employed, thelarger and smaller alternating, and more completely llllingsaid space.-

In the drawings- A represents the axle, and

E it-s journal..

The former is formed with the grooved iiange C, and the latter with the similarly-grooved nut D.

The inner end of the journal Bis somewhat thickcned, as shown :at 11, and the projecting sleeve E on the nut D is similarly shaped.

F represents they hub, and Gtbe box thereof, which latter is larger. than the journal B, and into 4the space intervening are placed the larger longitudinal metal' rollers H, which may be-.of any number and size sufficient to nearly lill said space around the journal.

' I I area series `of smaller rollers inserted in the in- -tersticesbetween the larger rollers H, and whose ends filed down,-and the nut screwed up`, thus lkeeping the rollers from any longitudinal motion.

The thick portion d of thejournal B makes the saine much stronger. A The device may be employed for horse-car axles, pulleys, and other like purposes, as well as on ordinary carriage-axles.

Having thus fully described my invention,

What I claim as new, and desire to secure by Letters Patent, isy 1. The axle A-and journal B, with flange C, havfing the groove h' ,and beveled portion d d, in combination with nut D, having 4groove h, and rollers H I,

substantially as describede 2. The nut D, with its beveled groove h, and beveled sleeve E, as and for the purpose set forth.

In testimony whereof I have signed my name to this specification. in the presence ot' two subscribing witnesses.

, ALONZO ALLCOTT. Witnesses:

CARROLL D. Wsxeur, CHARLES F. BROWN. 

